886720 has 56 divisors (see below), whose sum is σ = 2249424. Its totient is φ = 331776.

The previous prime is 886667. The next prime is 886741. The reversal of 886720 is 27688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359 + ... + 5521.

2⁸⁸⁶⁷²⁰ is an apocalyptic number.

886720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

886720 is the 544-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 886720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124712).

886720 is an abundant number, since it is smaller than the sum of its proper divisors (1362704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

886720 is a wasteful number, since it uses less digits than its factorization.

886720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 886720 is about 941.6581120555. The cubic root of 886720 is about 96.0717056865.

The spelling of 886720 in words is "eight hundred eighty-six thousand, seven hundred twenty".